During week 1 (January 3-9, 2010), influenza activity continued to decrease in the U.S. 139 (3.6%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.

Morbidity and Mortality Weekly Report (MMWR) January 15, 2010 / Vol. 59 / Early Release

CDC has updated its estimates of the total number of 2009 H1N1 cases, hospitalizations and deaths in the United States since April, 2009

Overall flu activity in the United States decreased during the week of January 3-9, 2010, as reported in FluView. Though flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, it is expected to continue for several more months. Supply and availability of the 2009 H1N1 vaccine have increased dramatically, CDC is now encouraging everyone who has been patiently waiting to receive the 2009 H1N1 vaccine to get vaccinated at this time.

This document provides information to state/local immunization programs regarding options for reporting certain criminal, fraud and abuse matters relating to the 2009 H1N1 influenza vaccine and ancillary supplies.

If you think 2009 H1N1 flu can't affect you, your family, or your friends - think again.

National Influenza Vaccination Week (NIVW) is January 10-16, 2010. Learn more. Get vaccinated.

In an Open Letter to the American People, over thirty major health care provider and public health organizations encouraged Americans to get the H1N1 vaccine. This letter emphasizes that the H1N1 vaccine is safe, effective, and the best way to protect against the flu.

This report provides an update to the international situation as of January 8, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.

During week 52 (December 27, 2009-January 2, 2010), influenza activity decreased slightly in the U.S. 161 (3.9%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.

Morbidity and Mortality Weekly Report (MMWR) January 8, 2010 / 58(51 & 52);1440-1444

Morbidity and Mortality Weekly Report (MMWR) January 8, 2010 / 58(51 & 52);1436-1440

Flu Activity: Overall flu activity in the United States decreased slightly during the week of December 27-January 2, 2010, as reported in FluView. Though flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, it is expected to continue for several more months. Vaccination: CDC recommends influenza vaccination as the first and most important step in protecting against the flu. The week of January 10-16, 2010 marks this season’s National Influenza Vaccination Week (NIVW), a national observance to highlight the importance of continuing influenza vaccination beyond the holiday season. Because supplies of the 2009 H1N1 vaccines have increased dramatically, CDC is now encouraging everyone who has been patiently waiting to receive the 2009 H1N1 vaccine to get vaccinated at this time.

People with diabetes are more likely to get flu-related complications like pneumonia and even be hospitalized or die from the flu than other people. Influenza may also interfere with blood glucose management. This fact sheet contains important information for diabetics.

CDC is aware that pregnant women, parents of young children, and others may have questions about the safety of thimerosal in vaccines against 2009 H1N1 flu. The following fact sheet provides some information to help in making decisions.

This report provides an update to the international situation as of January 4, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.

Overall flu activity decreased slightly in the United States during the week of December 20-26, 2009, as reported in FluView. The number of states reporting widespread flu activity decreased from 7 to 4. to doctors for influenza-like illness increased, although the proportion of tests for influenza that were positive continued to decline and the overall hospitalization rates for this season were unchanged from the previous week. Flu-associated deaths among all ages increased from the previous week, but fewer deaths in children were reported compared to the prior week (4 versus 9). Flu is unpredictable and activity can rise and fall throughout the season, but flu is likely to continue for months, caused by either 2009 H1N1 viruses or regular seasonal flu viruses.

During week 51 (December 20-26, 2009), influenza activity decreased slightly in the U.S. 154 (3.9%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.Four states reported geographically widespread influenza activity, 13 states reported regional influenza activity, the District of Columbia, Puerto Rico, and 19 states reported local influenza activity, Guam and 13 states reported sporadic influenza activity, and one state reported no influenza activity, the U.S. Virgin Islands did not report.

This podcast discusses the use of antiviral drugs for the treatment and prevention of influenza, including 2009 H1N1, during the 2009-2010 influenza season.

To assess intent to receive influenza vaccines among children and adults, during August 2009, the North Carolina Center for Public Health Preparedness conducted a community assessment in two counties to measure knowledge of and intent to receive H1N1 and seasonal influenza vaccines.